«Since 2004, OCO has been creating positive sound waves with powerful instruments that have a voice of their own, guiding the listeners on a musical voyage, evoking ancient sounds from the depths of humanity. The music is played continuously, with collective intentions dedicated to peace. Instruments: Voice, Overtone Singing, Sitar, Didjeridoos, Tempura, Shruti Box, Tibetan Singing Bowls, Bells, Flutes, Kalimbas, Monocord, Jews Harp, Gongs, Water Drums, Dununs, Udu Drum, Frame Drums, Darbuka and Small Percussions.»